Copper RTD cable

Temperature measurements up to 400°C.

Mineral insulated RTD cable with copper conductors is a common choice for temperature measurements up to 400°C. Copper conductors have a very stable resistance vs temperature relation. Furthermore, the material is economically priced. These cables are available in the following sheath materials;

Sheath materialMax. working temperature Melting temperature
Inconel 6001175°C1345°C
AISI 304900°C1400°C

On this page we explain all common used sheath materials and their advantages compared to other sheath materials for MI cable.

In short:

  • available in diameters ranging from 1.0mm to 8.0mm
  • available in normal spaced and wide-spaced execution
  • available with 2, 3, 4, 6 and 8 conductors
  • supplied with a material 3.1 certificate
  • made in Japan, with Japanese and European sourced materials

For the complete range of standard stock and custom made Copper RTD cable possibilities, visit our overview page. On this page you will also find estimated coil lengths and delivery times.

AerOpak MI RTD cable specs – Type A cable – Reversed mounted

OD (mm)Tolerance  (mm) Wall thickness  (mm) Conductor diameter  (mm) Distance between wires  (mm) Resistance (Ω/m) m/Coil
9.00+/- 0.050.900.903.100.5020
8.00+/- 0.050.800.802.700.5025
6.40+/- 0.050.640.642.200.5039
6.00+/- 0.050.600.552.080.5045
4.80+/- 0.050.480.481.700.7070
4.50+/- 0.050.450.401.650.7080
3.20+/- 0.050.320.321.001.40159
3.00+/- 0.050.300.261.001.40181

AerOpak MI RTD cable specs – Type J cable – Top mounted

OD (mm) Tolerance  (mm) Wall thickness  (mm) Conductor diameter  (mm) Distance between wires  (mm) Resistance (Ω/m) m/Coil
9.00+/- 0.050.901.350.700.2040
8.00+/- 0.050.801.200.130.2551
6.40+/- 0.050.640.960.160.3580
6.00+/- 0.050.600.900.200.4291
4.80+/- 0.050.480.740.280.65142
4.50+/- 0.050.450.670.350.75162
3.20+/- 0.050.320.480.501.47166
3.00+/- 0.050.300.450.601.70189

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Overview of Mineral insulated RTD cables Kamet Trading can supplyNickel RTD cableConstantan RTD cableInconel 600 RTD cable